1、role specification AC and role assignment AC are introduced, the role-based PMI architecture and the role-based PMI security model for E-government is discussed and researched in the paper.───介绍了角色规范属性证书和角色指派属性证书，讨论了基于角色的PMI体系结构，探讨了基于角色PMI的电子政务安全模型。
2、the heart of the tractor is the electric motor, which drives the hydraulic pump that supplies power to the wheels. Both ac and DC powered motors are used in e-line tractors.───的核心是电机，其驱动液压泵为轮组提供动力，电缆爬行器可以使用AC或DC电机。
3、The author introduces a solar energy transformerless colour TV power supply, i. e, high efficiency DC/AC converter.───介绍了一种太阳能无变压器式彩电电源，即高效率的DC/AC变换器。
ac e（意思翻译）
【名】 (Ace)（英、美、克）埃斯（人名）
v.在……中取得好成绩；（网球或排球）发球得分；胜过；（在高尔夫球比赛中）一杆进穴，一杆得分
n.（扑克牌中\u
ac e（相似词语短语）
1、billfish ac───比尔菲什ac
2、stallions ac───种马ac
3、crull ac───克鲁尔ac。
4、undersized ac───尺寸过小的空调
5、ac c e p t───vt.接受；承认；承担；承兑；容纳；vi.承认；同意；承兑
6、ac───abbr.阿森松岛 (Ascension Island)
7、orifice ac───孔板ac
8、ac select───交流选择
9、ac c e p tlivelihoods───空调压缩机
ac e（双语使用场景）
1、role specification AC and role assignment AC are introduced, the role-based PMI architecture and the role-based PMI security model for E-government is discussed and researched in the paper.───介绍了角色规范属性证书和角色指派属性证书，讨论了基于角色的PMI体系结构，探讨了基于角色PMI的电子政务安全模型。
2、the heart of the tractor is the electric motor, which drives the hydraulic pump that supplies power to the wheels. Both ac and DC powered motors are used in e-line tractors.───的核心是电机，其驱动液压泵为轮组提供动力，电缆爬行器可以使用AC或DC电机。
3、The author introduces a solar energy transformerless colour TV power supply, i. e, high efficiency DC/AC converter.───介绍了一种太阳能无变压器式彩电电源，即高效率的DC/AC变换器。